US3974005A - Inflation sealing device for tubeless tires for motor vehicles - Google Patents

Inflation sealing device for tubeless tires for motor vehicles Download PDF

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Publication number
US3974005A
US3974005A US05/580,944 US58094475A US3974005A US 3974005 A US3974005 A US 3974005A US 58094475 A US58094475 A US 58094475A US 3974005 A US3974005 A US 3974005A
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US
United States
Prior art keywords
rim
tire
ring
annular
lining
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US05/580,944
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English (en)
Inventor
Josef Graml
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from AT797674A external-priority patent/AT339154B/de
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of US3974005A publication Critical patent/US3974005A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C25/00—Apparatus or tools adapted for mounting, removing or inspecting tyres
    • B60C25/14—Apparatus or tools for spreading or locating tyre beads
    • B60C25/145—Apparatus or tools for spreading or locating tyre beads for locating provisionally the beads of tubeless tyres against the sealing surfaces of the rims, e.g. air filling bell

Definitions

  • the present invention relates to a device for sealing tubeless tires when inflating them on a wheel rim.
  • Tubeless tires are becoming more and more popular for motor vehicles, not only for passenger cars, but also for trucks. Special problems arise upon the filling or inflating of such tires on their rim and therefore after the tire has been placed on the rim. In this connection it must be borne in mind that the tires are deformed, for instance as a result of lengthy storage in piles, but for the filling or inflation it is necessary that they in each case rest tightly against their rim so that no air can escape and so that inflation or filling is possible.
  • An object of the present invention is to provide a device of the aforementioned type which is both simple in construction and operation and cheap and also assures a dependable seal between the tire and rim even if the tubeless tire in question is extensively deformed.
  • FIG. 1 shows diagrammatically a section through a rim with tubeless tire thereon during the inflation or filling by means of a device in accordance with the invention
  • FIG. 2 is a side view, partially in section, of the invention device of FIG. 1, on a smaller scale;
  • FIG. 3 is a section along the line III--III of FIG. 2, on a larger scale.
  • the device provided by the invention is characterized by a cylindrical ring which is adapted to be pushed onto the rim so that its face rests against the adjacent sidewall of the tire, the ring having a flexible inner lining which is pressed elastically against the adjacent lip of the rim.
  • the ring is interrupted at one point and the two ends of the ring are adapted to be clamped together.
  • the inner lining is a closed ring of elastic material and is inserted loosely in the clampable ring.
  • the ring is preferably of U-shaped cross-section with two outer vertical circumferential side flanges while the annular inner lining is provided with an outer annular groove in which the ring is received.
  • the annular inner lining is advantageously provided with circumferential inner riffling or alternate rings and grooves. In this way a dependable seal is definitely assured even in case of extensively damaged rim lips.
  • the ring may be metal or plastic while the annular inner lining may be made of natural or synthetic rubber or other plastic. If the ring has a U-shaped cross-section and two outer vertical circumferential side flanges, it may be stamped or rolled from a metal plate or extruded, cast, or blown from plastic.
  • the tubeless tire 1 has an airtight layer of rubber 4 lining the inside of the crown 2 which bears the profiled tread 3 and the sidewalls 5 which pass in each case into an inner circumferential bead 6.
  • the inflating device provided by the invention comprises a ring 13 which is displaceable on the rim 7 in the direction shown by the double-ended arrow 12 (FIG. 1) and has a flexible inner lining 14.
  • the inner lining 14 of the ring 13 is placed over the rim 7 and the ring is clamped together so that the inner lining 14 of the ring 13 rests tightly at its front against the adjacent sidewall 5 of the tire 1 and is also pressed tightly against the adjacent rim lip 18.
  • the tire 1 rests by means of the bead 6 tightly against the corresponding bottom section 10. If compressed air is now introduced through the valve 9 of the tire 1, i.e. if the tire is inflated, no air can escape from the inside chamber 19 even if the tire 1 is relatively largely deformed.
  • Rim 7 and ring 13 are held by supports, not shown, and guided for movement with respect to each other in the manner described.
  • the supports can advantageously be provided on an ordinary wheel changing device.
  • the ring 13 may be metal or plastic and in the former case may be produced for instance by stamping or rolling and in the latter case by casting, extruding, or blowing.
  • the inner lining 14 may be natural or synthetic rubber or some other suitable plastic.
  • the ring 13 is interrupted at one place and the inner lining 14 is developed as a closed ring of elastic material and inserted loosely in the clampable ring 13.
  • the ring 13 has a U-shaped cross-section, i.e. in smooth cylindrical manner with two outer vertical circumferential side flanges 20.
  • the annular inner lining 14 has an outer annular groove 21 in which the ring 13 is received.
  • one ring end 13' engages between the other ring end 13" and a tongue 22 fastened to the latter.
  • the two ring ends 13' and 13" can be clamped together.
  • a lever 24 is supported for swinging about a pin 25 in a U-shaped bracket 23 on the ring 13"or the tongue 22, the inner end of the lever being pivoted to a draw bar 26.
  • the latter acts on an angle piece 27 of the ring end 13'.
  • FIG. 2 the device is shown in open condition, in which condition it is brought onto a rim 7.
  • the lever 24 is then swung in the direction indicated by the arrow 28 so that the two ring ends 13' and 13" move towards each other and the inner lining 14 is pressed elastically against the adjacent rim lip 18, which is not shown in FIGS. 2 and 3.
  • the inner lining 14 can be provided with circumferential inner grooves and ridges forming corrugations 29. This assures a dependable seal even if the rim lip 18 is severely damaged.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Tires In General (AREA)
US05/580,944 1974-10-03 1975-05-27 Inflation sealing device for tubeless tires for motor vehicles Expired - Lifetime US3974005A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT797674A AT339154B (de) 1973-12-15 1974-10-03 Vorrichtung zum abdichten schlauchloser reifen beim aufblasen derselben auf der felge
OE7976/74 1974-10-03

Publications (1)

Publication Number Publication Date
US3974005A true US3974005A (en) 1976-08-10

Family

ID=3601248

Family Applications (1)

Application Number Title Priority Date Filing Date
US05/580,944 Expired - Lifetime US3974005A (en) 1974-10-03 1975-05-27 Inflation sealing device for tubeless tires for motor vehicles

Country Status (7)

Country Link
US (1) US3974005A (cs)
JP (1) JPS5143503A (cs)
CA (1) CA1014842A (cs)
CH (1) CH586616A5 (cs)
DE (1) DE2518004C2 (cs)
FR (1) FR2286718A1 (cs)
NL (1) NL183754C (cs)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4506719A (en) * 1982-09-29 1985-03-26 Dolphard Gaither Sealing device for facilitating pressuring of tubeless tire
US4583578A (en) * 1982-09-29 1986-04-22 Dolphard Gaither Sealing device for facilitating pressuring of tubeless tires
US10723185B2 (en) * 2017-02-21 2020-07-28 Patrick Michael Dunn Apparatus for seating the bead of a tubeless tire onto a rim

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2779397A (en) * 1955-12-22 1957-01-29 Firestone Tire & Rubber Co Pneumatic power actuated tubeless tire bead breaker
US3366153A (en) * 1966-07-05 1968-01-30 Allen Alfred Ray Tire bead seating and inflating means for tubeless tire casings

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1966580A (en) * 1932-12-23 1934-07-17 Us Tire Company Inc Method for mounting tires
US2874761A (en) * 1954-08-26 1959-02-24 Firestone Tire & Rubber Co Bead seating and inflating device for tubeless tires
US3654980A (en) * 1970-01-26 1972-04-11 Agsrad Inc Bead seater

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2779397A (en) * 1955-12-22 1957-01-29 Firestone Tire & Rubber Co Pneumatic power actuated tubeless tire bead breaker
US3366153A (en) * 1966-07-05 1968-01-30 Allen Alfred Ray Tire bead seating and inflating means for tubeless tire casings

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4506719A (en) * 1982-09-29 1985-03-26 Dolphard Gaither Sealing device for facilitating pressuring of tubeless tire
US4583578A (en) * 1982-09-29 1986-04-22 Dolphard Gaither Sealing device for facilitating pressuring of tubeless tires
AU579136B2 (en) * 1982-09-29 1988-11-17 Dolphard Gaither Sealing device for facilitating pressure of tubeless tire
US10723185B2 (en) * 2017-02-21 2020-07-28 Patrick Michael Dunn Apparatus for seating the bead of a tubeless tire onto a rim

Also Published As

Publication number Publication date
NL183754C (nl) 1989-01-16
CA1014842A (en) 1977-08-02
JPS5143503A (en) 1976-04-14
DE2518004A1 (de) 1976-04-15
NL183754B (nl) 1988-08-16
FR2286718A1 (fr) 1976-04-30
DE2518004C2 (de) 1982-06-24
FR2286718B1 (cs) 1980-06-13
NL7506417A (nl) 1976-04-06
CH586616A5 (cs) 1977-04-15

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